Two Bacterial Strains Have the Same Genes for Metabolizing a Carbohydrate

question 16

Multiple Choice

Two bacterial strains have the same genes for metabolizing a carbohydrate, but one is wild-type for a regulatory inducer while the other does not produce the inducer. Which of the following statements is CORRECT with regard to the metabolism of the bacteria?

• A) The two bacterial strains have the same phenotype.
• B) The two bacterial strains have different phenotypes.
• C) The genotypes and phenotypes of the two bacterial strains are the same.
• D) The two bacterial strains have the same phenotype but have different genotypes.
• E) The answer cannot be determined from the information provided.

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Definitions:

Reinforcers

Stimuli that increase the likelihood of a behavior being repeated through positive or negative reinforcement.

Successive Approximation

A process used in behavior therapy and conditioning that rewards closer and closer behaviors towards a desired goal.

Shaping Behavior

A process of reinforcing successive approximations to a desired behavior, gradually leading to the acquisition of the target behavior.

Self-actualization

The realization or fulfillment of one’s talents and potentialities, regarded as a drive or need present in everyone.